100+ Firms Warn AI Cyberattacks Are About to Surge logo

100+ Firms Warn AI Cyberattacks Are About to Surge

OpenAI, Google, Anthropic, Microsoft and more than 100 other companies signed a joint statement warning that AI-powered cyberattacks will become far more widespread within months, urging governments to prioritize collective defense.

By the Numbers

100+
Signatory companies
Aug 27, 2026
Published
33% to 56%
Attacker capability rise, YoY
201 vs. 83 (H1 2025)
2026 crypto hacks, H1
TC
By the AI Desk
Edited by Trace Cohen · Early-stage VC & angel · Founder, New York Venture Partners
2 min read
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THE RUNDOWN

1

OpenAI, Anthropic, Google, Microsoft and more than 100 other companies published "A call for collective action on cyber defense" on Thursday, warning AI-enabled cyberattacks will become more widespread and sophisticated in coming months, [per Digital Trends](https://www.digitaltrends.com/computing/openai-and-more-than-100-companies-warn-an-ai-cyberattack-surge-is-coming/)

2

Signatories span far beyond AI labs, including Broadcom, Capital One, Cloudflare, CrowdStrike, General Motors, IBM, Mastercard, Oracle, Robinhood, Shopify and Visa

3

The letter cites Anthropic research showing the share of medium-risk-or-higher cyberattackers using AI rose from 33% to 56% in a year, plus 201 crypto hacks in the first half of 2026 versus 83 a year earlier

4

The coalition calls on governments and industry to prioritize AI-powered defenses, observability tooling, trusted model access and traceable agent identities before critical infrastructure is disrupted

TC

The VC Read · Trace's Take

Trace Cohen

A coalition letter signed by the companies selling AI defense tools warning that AI defense spending needs to increase is not exactly a disinterested source, but the underlying attacker-capability data is real and worth pricing into every security portfolio company's TAM math. The diligence item: ask cybersecurity founders specifically how they're differentiating from the 100+ names that just co-signed a marketing letter, because collective-action statements are cheap and moat-building isn't.

Analysis

More than 100 companies, spanning AI labs, financial institutions, cybersecurity vendors and industrial firms, published a joint statement Thursday titled "A call for collective action on cyber defense," warning that AI-enabled cyberattacks will become significantly more widespread and sophisticated within months and could put hospitals, water treatment plants and core internet infrastructure at risk, Digital Trends reported.

The signatory list is notable for reaching well beyond the usual AI-policy coalition: OpenAI, Anthropic, Google and Microsoft signed alongside Broadcom, Capital One, Cloudflare, CrowdStrike, General Motors, IBM, Mastercard, Oracle, Robinhood, Shopify and Visa, among others. That breadth -- banks, automakers, retailers and cybersecurity vendors all putting their names on the same warning -- signals the concern has moved past AI-lab talking points into boardroom risk assessment across sectors with no direct stake in AI policy debates.

The evidence behind the warning

The letter cites Anthropic's own threat research showing the share of medium-risk-or-higher cyberattackers using AI tools rose from 33% to 56% over the past year, as AI increasingly automates the technical steps of hacking that used to require specialist skill. Separately, TRM Labs recorded 201 crypto-related hacks in the first half of 2026, more than double the 83 recorded in the same period a year earlier. The coalition is asking governments and industry to prioritize AI-powered defensive tooling, shared observability infrastructure, trusted model access controls and traceable agent identities before, rather than after, a disruptive incident hits critical infrastructure.

Why the CrowdStrike and Okta connection matters

The letter landed the same week CrowdStrike and Okta both posted their best trading days in years on earnings beats driven partly by AI-threat-driven security demand -- a real-time market validation of the letter's premise sitting right alongside the warning itself. Pulse has tracked CrowdStrike's positioning around the AI security gap as a durable thesis, not just a talking point, and this week's earnings reaction is the clearest evidence yet that enterprise buyers agree.

The counterweight

A joint letter signed by the companies who sell AI defense tools and the AI labs whose products are simultaneously lowering the skill floor for attackers is not a disinterested warning -- every signatory here has a commercial incentive for governments and enterprises to spend more on the exact category of defense this letter argues for. That doesn't make the underlying threat data wrong, but it means the ask (more government coordination, more defensive spending) conveniently aligns with what most signatories sell. The letter also stops short of any binding commitment from the AI labs themselves to slow deployment of capabilities that lower attacker skill requirements in the first place -- it asks everyone else to build better defenses rather than addressing the offense-enabling side directly.

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Key Sources

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